html,
body {
    margin: 0;
    padding: 0;
    height: 100%;
    width: 100%;
    background: url(/assets/images/login_bg.jpg) no-repeat;
    background-size: cover;

}
.loginAndRegBox {
    width: 400px;
    height: 310px;
    background-color: aliceblue;
    /* 把注册框放在页面最中间 */
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    border-radius: 30px;
    background-color: rgb(139, 139, 139);
    
}
.title-box {
    height: 60px;
    background: url(/assets/images/login_title.png) no-repeat center;
}
.reg-div {
    display: none;
}
.layui-form {
    padding: 0 30px;
}
.tiaozhuan {
    display: flex;
    justify-content: flex-end;
}
.tiaozhuan a {
    font-size: 12px;
}
.layui-form-item {
    position: relative;
   
}
.layui-icon {
    position: absolute;
    top: 10px;
    left: 10px;
}
.layui-input {
    padding-left: 32px;
    border-radius: 30px;
}